
32,64 Meg x 64 SDRAM DIMMs
SD8_16C32_64x64AG_C.fm - Rev. C 11/02
Micron Technology, Inc., reserves the right to change products or specifications without notice.
1
2002, Micron Technology Inc.
256MB / 512MB (x64)
168-PIN SDRAM DIMMs
SYNCHRONOUS
DRAM MODULE
MT8LSDT3264A(I) - 256MB
MT16LSDT6464A(I) - 512MB
For the latest data sheet, please refer to the Micron Web
site:
Features PC100- and PC133-compliant
JEDEC-standard 168-pin, dual in-line memory
module (DIMM)
Unbuffered
256MB (32 Meg x 64), 512MB (64 Meg x 64)
Single +3.3V ±0.3V power supply
Fully synchronous; all signals registered on positive
edge of system clock
Internal pipelined operation; column address can
be changed every clock cycle
Internal SDRAM banks for hiding row access/precharge
Programmable burst lengths: 1, 2, 4, 8, or full page
Auto Precharge, including Concurrent Auto
Precharge, and Auto Refresh Modes
64ms, 8,192 cycle Auto Refresh cycle
Self Refresh Mode
LVTTL-compatible inputs and outputs
Serial Presence-Detect (SPD)
Figure 1: 168-Pin DIMM (MO–161)
OPTIONS
Package
Unbuffered
168-pin DIMM (gold)
Operating Temperature Range
Commercial (0°C to +70°C)
Industrial (-40°C to +85°C)
1
Memory Clock/CAS Latency
(133 MHz)/CL = 2
(133 MHz)/CL = 3
(100 MHz)/CL = 2
MARKING
A
G
None
I
NOTE:
1. Consult Micron for availability; Industrial Tempera-
ture Option available in -133 speed only.
-13E
-133
-10E
Table 1:
Address Table
256MB
MODULE
8K
4 (BA0, BA1)
32 Meg x 8
8K (A0–A12)
1K (A0–A9)
1 (S0,S2)
512MB
MODULE
8K
4 (BA0, BA1)
32 Meg x 8
8K (A0–A12)
1K (A0–A9)
2 (S0,S2; S1,S3)
Refresh Count
Device Banks
Device Configuration
Row Addressing
Column Addressing
Module Banks
Table 2:
Timing parameters
MODULE
MARKINGS
PC100
CL -
t
RCD -
t
RP
PC133
CL -
t
RCD -
t
RP
-13E
-133
-10E
2 - 2 - 2
2 - 2 - 2
2 - 2 - 2
2 - 2 - 2
3 - 3 - 3
NA
Table 3:
Part Numbers
PARTNUMBER
1
NOTE:
1. The designators for component and PCB revision
are the last two characters of each part number.
Consult factory for current revision codes. Example:
MT8LSDT3264AG-133B1.
CONFIGURATION
SYSTEM
BUS SPEED
MT8LSDT3264AG-13E_
MT8LSDT3264AG(I)-133_
MT8LSDT3264AG-10E_
MT16LSDT6464AG-13E_
MT16LSDT6464AG(I)-133_
MT16LSDT6464AG-10E_
32 Meg x 64
32 Meg x 64
32 Meg x 64
64 Meg x 64
64 Meg x 64
64 Meg x 64
133 MHz
133 MHz
100 MHz
133 MHz
133 MHz
100 MHz
Standard
Low Profile